Order of operations is PEMDAS
1. P (Parentheses)
2. E (Exponents
3. M (Multiplication)
4. D (Division)
5. A (Addition)
6. S (Subtraction)
Question Example--
(7 - 2) × 4² ÷ 2 - 3 + 1
(5) × 4² ÷ 2 - 3 + 1
5 × 16 ÷ 2 - 3 + 1
80 ÷ 2 - 3 + 1
40 - 3 + 1
40 - 4
36 <--- is your final answer